On Thursday, the 2-month-old elephant made her debut at Walt Disney World's Savanna in Animal Kingdom. Corra's birth marks the first time in seven years an African elephant calf was born at the park.

How do animals raise their young? Some don't care for their offspring at all, and some families all pitch in.

there's a huge variety of sounds and signals across the animal kingdom. Elephants, for example, give a short trumpeting sound, while foxes squeal at one another. These noises are tied to breath ...